Invalid chair



FIG. 1, is a perspective view of the invalid chair showing our newdesign;

FIG. 2, is a right-side elevation view thereof;

FIG. 3, is a left-side elevation view thereof;

FIG. 4, a top plan view thereof;

FIG. 5, a bottom plan view thereof;

FIG. 6, a front elevation view thereof; and

FIG. 7, a rear elevation view thereof.

The ornamental design for an invalid chair, as shown.